73212207722443 has 4 divisors (see below), whose sum is σ = 73213233016968. Its totient is φ = 73211182427920.

The previous prime is 73212207722419. The next prime is 73212207722447. The reversal of 73212207722443 is 34422770221237.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73212207722443 - 2¹⁷ = 73212207591371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73212207722393 and 73212207722402.

It is not an unprimeable number, because it can be changed into a prime (73212207722447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512540146 + ... + 512682967.

It is an arithmetic number, because the mean of its divisors is an integer number (18303308254242).

Almost surely, 2^{73212207722443} is an apocalyptic number.

73212207722443 is a deficient number, since it is larger than the sum of its proper divisors (1025294525).

73212207722443 is a wasteful number, since it uses less digits than its factorization.

73212207722443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025294524.

The product of its (nonzero) digits is 1580544, while the sum is 46.

The spelling of 73212207722443 in words is "seventy-three trillion, two hundred twelve billion, two hundred seven million, seven hundred twenty-two thousand, four hundred forty-three".